./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/du-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3627015a-3ff9-4bb8-89cc-a8383d1d55c3/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3627015a-3ff9-4bb8-89cc-a8383d1d55c3/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3627015a-3ff9-4bb8-89cc-a8383d1d55c3/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3627015a-3ff9-4bb8-89cc-a8383d1d55c3/bin/utaipan-eEHZpOm5b7/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/du-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3627015a-3ff9-4bb8-89cc-a8383d1d55c3/bin/utaipan-eEHZpOm5b7/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3627015a-3ff9-4bb8-89cc-a8383d1d55c3/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a7d47fd1cb183de21869a58eb9084ebc9903847b2928a08049ba239b8cab5299 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 17:56:48,253 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 17:56:48,257 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 17:56:48,322 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 17:56:48,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 17:56:48,324 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 17:56:48,327 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 17:56:48,330 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 17:56:48,333 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 17:56:48,334 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 17:56:48,335 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 17:56:48,337 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 17:56:48,338 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 17:56:48,339 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 17:56:48,341 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 17:56:48,343 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 17:56:48,345 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 17:56:48,346 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 17:56:48,349 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 17:56:48,352 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 17:56:48,354 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 17:56:48,356 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 17:56:48,358 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 17:56:48,359 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 17:56:48,364 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 17:56:48,365 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 17:56:48,365 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 17:56:48,367 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 17:56:48,367 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 17:56:48,369 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 17:56:48,373 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 17:56:48,375 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 17:56:48,377 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 17:56:48,378 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 17:56:48,382 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 17:56:48,382 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 17:56:48,383 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 17:56:48,383 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 17:56:48,384 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 17:56:48,385 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 17:56:48,386 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 17:56:48,387 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3627015a-3ff9-4bb8-89cc-a8383d1d55c3/bin/utaipan-eEHZpOm5b7/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-25 17:56:48,436 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 17:56:48,436 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 17:56:48,437 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 17:56:48,437 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 17:56:48,438 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 17:56:48,438 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 17:56:48,439 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 17:56:48,439 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 17:56:48,439 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 17:56:48,439 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 17:56:48,440 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 17:56:48,441 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 17:56:48,441 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 17:56:48,441 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 17:56:48,441 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 17:56:48,442 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 17:56:48,442 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 17:56:48,442 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 17:56:48,443 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 17:56:48,443 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 17:56:48,443 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 17:56:48,444 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 17:56:48,444 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 17:56:48,446 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 17:56:48,446 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-25 17:56:48,446 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-25 17:56:48,447 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-25 17:56:48,447 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 17:56:48,447 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 17:56:48,447 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 17:56:48,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 17:56:48,448 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 17:56:48,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 17:56:48,449 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 17:56:48,449 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 17:56:48,449 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 17:56:48,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 17:56:48,449 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 17:56:48,450 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 17:56:48,450 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3627015a-3ff9-4bb8-89cc-a8383d1d55c3/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3627015a-3ff9-4bb8-89cc-a8383d1d55c3/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7d47fd1cb183de21869a58eb9084ebc9903847b2928a08049ba239b8cab5299 [2021-11-25 17:56:48,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 17:56:48,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 17:56:48,779 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 17:56:48,780 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 17:56:48,781 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 17:56:48,783 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3627015a-3ff9-4bb8-89cc-a8383d1d55c3/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/busybox-1.22.0/du-1.i [2021-11-25 17:56:48,854 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3627015a-3ff9-4bb8-89cc-a8383d1d55c3/bin/utaipan-eEHZpOm5b7/data/19a8b2c55/a04cfbb3557e43bea7b55151f35567c1/FLAG8eff71eb8 [2021-11-25 17:56:49,754 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 17:56:49,755 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3627015a-3ff9-4bb8-89cc-a8383d1d55c3/sv-benchmarks/c/busybox-1.22.0/du-1.i [2021-11-25 17:56:49,800 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3627015a-3ff9-4bb8-89cc-a8383d1d55c3/bin/utaipan-eEHZpOm5b7/data/19a8b2c55/a04cfbb3557e43bea7b55151f35567c1/FLAG8eff71eb8 [2021-11-25 17:56:50,226 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3627015a-3ff9-4bb8-89cc-a8383d1d55c3/bin/utaipan-eEHZpOm5b7/data/19a8b2c55/a04cfbb3557e43bea7b55151f35567c1 [2021-11-25 17:56:50,230 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 17:56:50,231 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 17:56:50,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 17:56:50,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 17:56:50,254 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 17:56:50,255 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:56:50" (1/1) ... [2021-11-25 17:56:50,257 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33f9b612 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:56:50, skipping insertion in model container [2021-11-25 17:56:50,257 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:56:50" (1/1) ... [2021-11-25 17:56:50,281 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 17:56:50,366 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 17:56:52,198 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-25 17:56:52,201 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@30a68637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:56:52, skipping insertion in model container [2021-11-25 17:56:52,202 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 17:56:52,202 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-25 17:56:52,205 INFO L158 Benchmark]: Toolchain (without parser) took 1971.86ms. Allocated memory was 92.3MB in the beginning and 121.6MB in the end (delta: 29.4MB). Free memory was 50.6MB in the beginning and 77.2MB in the end (delta: -26.7MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2021-11-25 17:56:52,207 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 92.3MB. Free memory was 64.6MB in the beginning and 64.6MB in the end (delta: 28.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 17:56:52,210 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1952.31ms. Allocated memory was 92.3MB in the beginning and 121.6MB in the end (delta: 29.4MB). Free memory was 50.4MB in the beginning and 77.2MB in the end (delta: -26.9MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2021-11-25 17:56:52,213 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 92.3MB. Free memory was 64.6MB in the beginning and 64.6MB in the end (delta: 28.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1952.31ms. Allocated memory was 92.3MB in the beginning and 121.6MB in the end (delta: 29.4MB). Free memory was 50.4MB in the beginning and 77.2MB in the end (delta: -26.9MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2643]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3627015a-3ff9-4bb8-89cc-a8383d1d55c3/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3627015a-3ff9-4bb8-89cc-a8383d1d55c3/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3627015a-3ff9-4bb8-89cc-a8383d1d55c3/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3627015a-3ff9-4bb8-89cc-a8383d1d55c3/bin/utaipan-eEHZpOm5b7/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/du-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3627015a-3ff9-4bb8-89cc-a8383d1d55c3/bin/utaipan-eEHZpOm5b7/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3627015a-3ff9-4bb8-89cc-a8383d1d55c3/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a7d47fd1cb183de21869a58eb9084ebc9903847b2928a08049ba239b8cab5299 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 17:56:54,699 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 17:56:54,702 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 17:56:54,767 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 17:56:54,768 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 17:56:54,773 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 17:56:54,775 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 17:56:54,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 17:56:54,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 17:56:54,799 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 17:56:54,801 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 17:56:54,802 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 17:56:54,805 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 17:56:54,807 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 17:56:54,809 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 17:56:54,812 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 17:56:54,817 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 17:56:54,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 17:56:54,821 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 17:56:54,826 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 17:56:54,832 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 17:56:54,833 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 17:56:54,836 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 17:56:54,839 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 17:56:54,847 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 17:56:54,853 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 17:56:54,853 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 17:56:54,854 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 17:56:54,856 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 17:56:54,857 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 17:56:54,858 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 17:56:54,859 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 17:56:54,860 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 17:56:54,861 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 17:56:54,863 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 17:56:54,864 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 17:56:54,865 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 17:56:54,865 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 17:56:54,866 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 17:56:54,868 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 17:56:54,869 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 17:56:54,874 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3627015a-3ff9-4bb8-89cc-a8383d1d55c3/bin/utaipan-eEHZpOm5b7/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-25 17:56:54,916 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 17:56:54,916 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 17:56:54,917 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 17:56:54,917 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 17:56:54,918 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 17:56:54,918 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 17:56:54,918 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 17:56:54,919 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 17:56:54,919 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 17:56:54,919 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 17:56:54,919 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 17:56:54,920 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 17:56:54,920 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 17:56:54,921 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 17:56:54,921 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 17:56:54,921 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 17:56:54,922 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 17:56:54,922 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 17:56:54,922 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-25 17:56:54,922 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-25 17:56:54,923 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-25 17:56:54,923 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 17:56:54,923 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 17:56:54,923 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-25 17:56:54,924 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-25 17:56:54,924 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 17:56:54,924 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 17:56:54,924 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-25 17:56:54,925 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 17:56:54,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 17:56:54,925 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 17:56:54,925 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 17:56:54,926 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-25 17:56:54,926 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-25 17:56:54,926 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 17:56:54,927 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 17:56:54,927 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3627015a-3ff9-4bb8-89cc-a8383d1d55c3/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3627015a-3ff9-4bb8-89cc-a8383d1d55c3/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7d47fd1cb183de21869a58eb9084ebc9903847b2928a08049ba239b8cab5299 [2021-11-25 17:56:55,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 17:56:55,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 17:56:55,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 17:56:55,386 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 17:56:55,387 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 17:56:55,388 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3627015a-3ff9-4bb8-89cc-a8383d1d55c3/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/busybox-1.22.0/du-1.i [2021-11-25 17:56:55,467 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3627015a-3ff9-4bb8-89cc-a8383d1d55c3/bin/utaipan-eEHZpOm5b7/data/9e0cd9324/1ab49c3bce174a389e7fc54cbb09b0bc/FLAGf4ff0895f [2021-11-25 17:56:56,398 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 17:56:56,399 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3627015a-3ff9-4bb8-89cc-a8383d1d55c3/sv-benchmarks/c/busybox-1.22.0/du-1.i [2021-11-25 17:56:56,460 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3627015a-3ff9-4bb8-89cc-a8383d1d55c3/bin/utaipan-eEHZpOm5b7/data/9e0cd9324/1ab49c3bce174a389e7fc54cbb09b0bc/FLAGf4ff0895f [2021-11-25 17:56:56,883 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3627015a-3ff9-4bb8-89cc-a8383d1d55c3/bin/utaipan-eEHZpOm5b7/data/9e0cd9324/1ab49c3bce174a389e7fc54cbb09b0bc [2021-11-25 17:56:56,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 17:56:56,887 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 17:56:56,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 17:56:56,890 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 17:56:56,911 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 17:56:56,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:56:56" (1/1) ... [2021-11-25 17:56:56,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@582eedfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:56:56, skipping insertion in model container [2021-11-25 17:56:56,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:56:56" (1/1) ... [2021-11-25 17:56:56,922 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 17:56:57,049 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 17:56:58,479 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-25 17:56:58,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@63271a9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:56:58, skipping insertion in model container [2021-11-25 17:56:58,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 17:56:58,483 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-25 17:56:58,486 INFO L158 Benchmark]: Toolchain (without parser) took 1597.67ms. Allocated memory is still 92.3MB. Free memory was 51.1MB in the beginning and 57.8MB in the end (delta: -6.7MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2021-11-25 17:56:58,488 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 92.3MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 17:56:58,490 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1593.85ms. Allocated memory is still 92.3MB. Free memory was 50.8MB in the beginning and 57.8MB in the end (delta: -7.0MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2021-11-25 17:56:58,492 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 92.3MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1593.85ms. Allocated memory is still 92.3MB. Free memory was 50.8MB in the beginning and 57.8MB in the end (delta: -7.0MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2643]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN